Finding the Fourth Proportional to 72,498.64, 100,048.32 and 42,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,498.64 : 100,048.32 = 42,304.72 : x
2. Step 2: Convert to fraction form
   72,498.64/100,048.32 = 42,304.72/x
3. Step 3: Cross multiply
   72,498.64x = 100,048.32 × 42,304.72
4. Step 4: Simplify right side
   72,498.64x = 4,232,516,164.07
5. Step 5: Solve for x
   x = 4,232,516,164.07/72,498.64
6. Step 6: Final answer
   x = 58,380.63